23875240 has 32 divisors (see below), whose sum is σ = 53865000. Its totient is φ = 9524224.

The previous prime is 23875237. The next prime is 23875253. The reversal of 23875240 is 4257832.

It can be written as a sum of positive squares in 4 ways, for example, as 20088324 + 3786916 = 4482^2 + 1946^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22236 + ... + 23284.

Almost surely, 2^23875240 is an apocalyptic number.

23875240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23875240 is an abundant number, since it is smaller than the sum of its proper divisors (29989760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23875240 is a wasteful number, since it uses less digits than its factorization.

23875240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 23875240 is about 4886.2296302978. The cubic root of 23875240 is about 287.9492258742.

It can be divided in two parts, 238 and 75240, that multiplied together give a triangular number (17907120 = T₅₉₈₄).

The spelling of 23875240 in words is "twenty-three million, eight hundred seventy-five thousand, two hundred forty".